English C1 Level

Next Level English C1 Advanced: 50 lessons to improve your English conversation: Real-world vocabulary and grammar for speaking success (English Edition)

Independently published

50 Engaging C1 Level Vocabulary Short Stories for Advanced English Learners

Independently published

La Biblia del Use of English - C1 LEVEL: 10 Practice Tests + Guía de Estudio

Liberty

Spiral english. A progressive English grammar course. CEFR levels up to C1. Per le Scuole superiori. Con e-book. Con espansione online

Cambridge University Press

English Unlimited. Level C1 Self-study Pack      

Independently published

A Study in Scarlet (English C1)                  

Independently published

English Short Stories: Three Nights on Hill Top Road (CEFR Level C1+): 7

Cambridge English

Complete IELTS. Bands 5-6.5 Level C1. Student's book. With answers. Con espansione online. Per le Scuole superiori. Con CD-ROM

Future House Languages

Activate Advanced C1 - A Complete Self-Study Course: Improve your English level in all the skills and pass your Cambridge C1, IELTS, Trinity or TOEFL exam. (Activate Your English™) (English Edition)

Independently published

La Biblia del Use of English - B2 + C1 LEVEL: 20 Practice Tests + Guía de Estudio